Home / 98,800.57-148,076.76-42,574.85

Finding the Fourth Proportional to 98,800.57, 148,076.76 and 42,574.85

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Solution

The fourth proportional to 98,800.57, 148,076.76 and 42,574.85 is: 63,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,800.57 : 148,076.76 = 42,574.85 : x
  2. Step 2: Convert to fraction form
    98,800.57/148,076.76 = 42,574.85/x
  3. Step 3: Cross multiply
    98,800.57x = 148,076.76 × 42,574.85
  4. Step 4: Simplify right side
    98,800.57x = 6,304,346,205.26
  5. Step 5: Solve for x
    x = 6,304,346,205.26/98,800.57
  6. Step 6: Final answer
    x = 63,808.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.